Basic Info CategoryWatches BrandSeiko ModelProspex Dealer product codeSRPJ51K1 MovementAutomatic Case materialStainless Steel Year of productionUnknown ConditionNew (Brand new, without any signs of wear) Scope of delivery Original box, original paper AvailabilityItem in Stock Caliber MovementAutomatic Power reserve41 h Number of jewels24 Case Case materialSteel Case diameter45 mm Thickness13 mm Water resistance20 ATM CrystalSapphire crystal DialGreen Functions Date Other Rotating Bezel, Limited Edition, Screw-Down Crown Description Seiko Prospex Diver's Watch Sea Urchin Limited Edition 1200pcs SRPJ51K1 Green Dial 200m Water Resistance Stainless Steel Case and Strap Additional Green Silicone Band Sapphire Crystal Automatic Movement Caliber 4R36 24 Jewels Date Indicator Analog Display 41 Hours Approx. Power Reserve Screw Case Back Unidirectional Rotating Bezel Screw-Down Crown LumiBrite on Hands, Index(es), and Bezel Case Diameter: 45mm Case Thickness: 13mm